I thought the fuel pump codes were only for cab and chassis models that have dual fuel tanks. I don't understand what it could be referring to on a Duramax with only 1 tank, not like we have a fuel pump.
Donít believe any of them would run without a fuel pump?
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2007.5 Chevrolet 2500HD CC SRW 6.6 LMM 190,000 miles. Bought new
New up-pipe, 3Ē downpipe, cold air intake, cold and hot side tubes, Transgo Junior kit, Allison deep pan and filter kit, Moog tie rod upgrade
2015.5 Chevrolet 3500HD CC DRW 6.6 LML 108,000 miles Bought with 98,000 miles